B12 Vitamin B12, also known as cobalamin, is a water-soluble vitamin involved in metabolism
PMID 37973897
Conversely, some studies show that a deficiency in vitamin B12 may cause appetite loss, potentially leading to weight loss if left untreated ( If youre low or deficient in B12, your healthcare provider will likely recommend oral vitamin B12 supplements or injections to increase your blood levels ( summary Low levels of vitamin B12 can cause megaloblastic anemia, which is characterized by shortness of breath, headaches, and fatigue
The timing of fatigue onset relative to medication initiation provides important diagnostic information, though coincidental conditions may emerge during treatment
Rat research found 38.4% oral bioavailability, but no human study has compared the two routes
Wow, I don't know where I got my information but way back when I started injecting I read that the half-life is 7 hours...which explains why some have to dose so often